100321323221111 has 4 divisors (see below), whose sum is σ = 100321361728800. Its totient is φ = 100321284713424.

The previous prime is 100321323221083. The next prime is 100321323221129. The reversal of 100321323221111 is 111122323123001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100321323221111 - 2²² = 100321319026807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100321323221191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15038351 + ... + 20659008.

It is an arithmetic number, because the mean of its divisors is an integer number (25080340432200).

Almost surely, 2^{100321323221111} is an apocalyptic number.

100321323221111 is a deficient number, since it is larger than the sum of its proper divisors (38507689).

100321323221111 is an equidigital number, since it uses as much as digits as its factorization.

100321323221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38507688.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 100321323221111 its reverse (111122323123001), we get a palindrome (211443646344112).

The spelling of 100321323221111 in words is "one hundred trillion, three hundred twenty-one billion, three hundred twenty-three million, two hundred twenty-one thousand, one hundred eleven".